Inventor
INANIWA KATSUMI
JP3 patents
Patents
3 patentsUS7362074B2Apr 22, 2008
Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system
FURUKAWA ELECTRIC CO LTD68 citations96
US7616003B2Nov 10, 2009
Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system
FURUKAWA ELECTRIC CO LTD28 citations90
US7525284B2Apr 28, 2009
Charging rate estimating method, charging rate estimating unit and battery system
FURUKAWA ELECTRIC CO LTD19 citations82